#plate{
    display: flex;
    flex-flow: row wrap;
    overflow: hidden;
    justify-content: center;
    align-items: center;
    align-content: flex-start;
}
.rowDiv{
    width: 90%;
    height: 90%;
    display: flex;
    flex-flow: row nowrap;
    justify-content: center;
    align-items: center;
}